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China’s biggest mine goes diesel with Bucyrus

Wednesday, March 17th, 2010

Last year Bucyrus delivered five CL10C Compact Loaders to China Shenhua Energy Company for operation in the longwall mines managed by the Shenhua Shenfu-Dongsheng Coal Company. The order is an important milestone, as it is the first diesel contract despite Shenhua being a long-standing customer for Bucyrus battery-powered vehicles and continuous haulage systems.
Reportedly, Bucyrus’s record of successful delivery, commissioning and reliability that supported Shenhua’s decision to purchase Bucyrus diesel vehicles to continue to meet its production targets. With a capacity of 10 tonnes, the CL10C and as the first electronically controlled diesel vehicle to be delivered to the Chinese underground coal mining industry it is a benchmark for diesel products sold and operated in China.
The CL10C is designed for the special task of raising awkward loads of up to 10 tonnes to a height of one meter directly onto the cookie plate via the hydraulic winch. The Compact Loader and its variants can be used in a wide range of applications – from general mine transportation and maintenance work to longwall installations and relocations, cabling and piping installation and stone dusting. It can also be used for soft-rock mining and to support equipment contractors and civil engineering projects.
The CL10C continues the modular concept behind the Compact Loader platform, allowing flexibility of configuration that is impossible with a unibody frame design. This permits Bucyrus to offer multiple variants, with direct pin-on cookie plate attachments and buckets and forks for dedicated application and Bucyrus Rapid Attach System RAS attachments for utility vehicle tasks. Engine package options, automatic and manual transmission systems along with pilot hydraulic control or full electronic control systems give customers a wide range of configuration options.
Tires are kept in constant contact with the roadway by means of 45-degree articulation and 8-degree oscillation via an articulation joint between the tractor and cookie plate sections. This allows the vehicle to follow surface contours safely and remain stable.
The Bucyrus diesel powered CL10C has permanent four-wheel drive through an automatic transmission, resulting in smoother gear shift and optimum gear selection and control over various gradients and with different loads.
Power is supplied by a 173kW EPA Tier III Caterpillar C7 six-cylinder diesel engine, delivering class-leading controlled power and torque. This low-emission engine combined with the Bucyrus wet-exhaust package and the option of particulate filters, allows the CL10C to lead the way in power and performance while minimizing emissions.
The unique Bucyrus feature of horizontally mounted radiators and fans allows clean air to be drawn in at the top of the machine eliminating fan blade damage and increasing operational flexibility as the direction of mine ventilation has no adverse effect on its performance. This layout also gives the operator good visibility.
An electronic protection system called Bucyrus Diesel Control System (DCS) continuously monitors the operation of the CL10C from the pre start-up vehicle integrity check to monitoring data to ensure safe operation. Integrated with the Engine Control Module (ECM), it provides a wealth of operational data that can be used to enhance performance and reliability.
The system continuously assesses environmental conditions such as methane levels along with equipment and machine integrity. If a hazardous situation occurs, the CL10C first provides a condition warning via the dash-mounted display followed by controlled automatic shutdown to ensure operator, equipment and mine safety.
Taking inspiration from 21st Century automotive design, the instrument cluster is functional and practical. It offers full monitoring of all vehicle systems via a 150mm (5.9”) flameproof high-resolution colour LCD display.
Ergonomic operator controls are within easy reach. The cookie plate lift and winch are joystick controlled. All displays are highly visible and controls are within easy reach of the operator movement. An air-suspension seat and restraint system minimize operator fatigue, thus increasing safety.
(Ref 933)

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